洪音(hóng yīn) “loud sounds”
HD. 5.1132b(现代); not found at DK. 6.1107.;
117a18.其佛塔寺周回无限，普尽地际悬众宝铃，……空中雷震畅发洪音(p)
K. 338.11-; not found at L. 45c3;